The equation, C6H12O6 + 6O2-->6CO2 + 6H2O (ATP + Heat), describes which of the following processes?

cell respiration

3

Which of the following are the final by-products of glucose oxidation during aerobic cell respiration?

ATP, heat, and carbon dioxide

4

Which of the following processes will occur in the presence or absence of oxygen?

glycolysis

5

Where does glycolysis takes place?

cytosol

6

Which of the following is NOT a process of aerobic respiration?

lactate fermentation

7

Which of the following is TRUE of the citric acid cycle?

It yields ATP, NADH, and FADH2 as energy intermediates.

8

Which of the following function: location relationship is INCORRECT?

acetyl CoA formation; cytosol

9

Which compound has the highest free energy and produces the most ATP when oxidized?

glucose

10

Cellular respiration produces the most chemical in the form of ATP from which of the following?

oxidative phosphorylation

11

How many ATP and NADH molecules are produced from each molecule of glucose in the citric acid cycle only?

2 ATP, 6 NADH

12

How many net ATP and NADH molecules are produced from one molecule of glucose during glycolysis?

2 ATP, 2 NADH

13

High-energy electrons from molecules of NADH and FADH2 are transferred to a chain of proteins within the electron transport chain. What is the final electron acceptor of the electron transport chain?

cytochrome c

14

Which of the following statements is TRUE of both aerobic and anaerobic respiration?

Both use glycolysis to oxidize glucose to pyruvate and both produce NADH as high-energy intermediates.

15

Which would be TRUE if a metabolic poison were to completely inhibit the function of mitochondrial ATP synthase?

The pH difference across the inner mitochondrial membrane would increase.

16

Which of the following is most directly responsible for driving ATP synthase and the production of ATP in cellular respiration?

The ability of oxygen to rapidly capture an electron and energize ATP synthase.

17

Which of the following statements about the electron transport chain in cell respiration is CORRECT?

The loss in free energy of the electron initially donated by NADH is used to transport H+ across the inner mitochondrial membrane against its electrochemical gradient.

18

Assuming a fat molecule can be oxidized into 2 glycerol molecules, which are immediately converted to glyceraldehyde-3-phosphate, in intermediate glycolysis, how many ATP can be produced from a fat molecule?

36

19

Where are the protein complexes associated with the electron transport chain located?

mitochondrial inner membrane

20

During glycolysis, glucose is broken down into

pyruvate.

21

The ATP made during glycolysis is generated by

substrate-level phosphorylation.

22

During the cleavage stage of glycolysis, fructose-1, 6 biphosphate is broken down into

two molecules of glyceraldehyde-3-phosphate.

23

In addition to ATP, what are the end products of glycolysis?

NADH and pyruvate

24

In the citric acid cycle, the acetyl group is removed from acetyl CoA and attached to oxaloacetate to form

citrate

25

In the citric acid cycle, succinate is oxidized to form

fumarate.

26

In the citric acid cycle, malate is oxidized to form

oxaloacetate

27

The enzyme responsible for oxidizing pyruvate once it enters the mitochondrial matrix is

pyruvate dehydrogenase.

28

Which pathway shows the correct path of electron transfer from a molecule of NADH?

Energy released by the electron transport chain is used to pump H+ ions into which location?

mitochondrial intermembrane space

31

Sports physiologists at an Olympic training center wanted to monitor athletes to determine at what point their muscles were functioning anaerobically. They could do this by checking for the buildup of which molecule?

lactate

32

Which of the following is INCORRECT for ethanol fermentation?

Results in a net production of NADH.

33

Which of the following does NOT occur during yeast fermentation?

Lactate is produced

34

When muscles cells are deprived of oxygen, the heart still pumps. What must the heart cells be able to do?